Impact of Cloud Computing

For reference I am posting 2 short videos on Cloud Computing.
It seems that the buzz around cloud computing is catching on. It is likely to radically change the way organisations run their systems & the way people interact with applications. Any thoughts ?

Web 2.0 & Social Networking

http://video.google.com/googleplayer.swf?docid=7818852908161786954&hl=en

How can the social networking aspect of web 2.0 be leveraged for enhancing Internet Marketing. Can we actually involve the target customer to participate in the marketing / promotion, create a community & actually act as an 'pseudo - affiliate' ?